The brick building on the corner of King St is more than 100 years old, according to the Franklin Historical Society.
Fire and Emergency was first called to the blaze at 6.28am, Fenz northern shift manager Daniel Nicholson said.
The upper floor of the two-storey building on King St was “well involved”, he said.
No people had been reported missing or injured.
Auckland Transport said buses through Pukekohe were being detoured.
Bus routes 391, 392, 394 will be detoured until further notice, due to an emergency services incident. Stops missed, due to detour: Stops 2888 and 2898. Expect delays. Updates to follow. pic.twitter.com/0oseQq57ny
— Auckland Transport Travel Alerts (@AT_TravelAlerts) September 14, 2023
Coffee Time Cafe owner David Sixtus said there were no longer flames engulfing the building by 8am but firefighters were still at the scene.
”The fire is out, it’s just smouldering.
”There’s a big hole in the roof.”
Sixtus said locals weren’t aware of the cause of the fire yet.